Beamforming and combining in two-way AF MIMO relay networks

Date

2013-07

Journal Title

Journal ISSN

Volume Title

Publisher

IEEE

Abstract

In this letter, we propose a beamforming and combining scheme for a two-way amplify-and-forward (AF) multiple-input multiple-output (MIMO) relay network. An approximate expression for the symbol error rate of the scheme in Rayleigh fading for M-ary phase-shift keying is obtained based on the moment generating function of the instantaneous received signal-to-noise ratio. The diversity order is also analytically derived. It is shown by simulations that the proposed scheme outperforms existing schemes for beamforming and combining in two-way AF MIMO relay systems. We also discuss beamforming and combining in a two-way AF MIMO relay system with estimated channel gains.

Description

Keywords

AMPLIFY-AND-FORWARD (AF) PROTOCOL, CHANNEL ESTIMATION, COOPERATIVE DIVERSITY, MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) SYSTEM, SPATIAL FILTERING

Citation

Arti, M.K., Mallik, R.K., & Schober, R. (2013). Beamforming and Combining in Two-Way AF MIMO Relay Networks. IEEE Communications Letters, 17(7), 1400-1403.doi:10.1109/LCOMM.2013.052413.130731

DOI